[llvm-branch-commits] [flang] [flang][OpenMP] Improve diagnosing invalid operators in DECLARE_REDUCTION (PR #232353)

[Michael Klemm via llvm-branch-commits]

mjklemm wrote:

We had a minus operator that we have removed. It basically always was an addition with negative sign.

https://github.com/llvm/llvm-project/pull/232353